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Phase EquilibriaAll functions are free

Phase Equilibria

Use regular solution free energy to explore miscibility gaps and ternary composition spaces.

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Binary symmetry regular solution model; ternary is single-phase regular solution free energy and local stability, and does not output the complete ternary coexisting phase equilibrium.

Phase Equilibria: uses and methods

Use regular solution free energy to explore miscibility gaps and ternary composition spaces.

Applicable scope and calculation boundary

Binary symmetry regular solution model; ternary is single-phase regular solution free energy and local stability, and does not output the complete ternary coexisting phase equilibrium.

model and reference method

Gmix = RT Σx ln x + ΣΩᵢⱼxᵢxⱼ; binary co-tangent/spin decomposition condition.

model version: 1.0.0. The results are used for scientific research, exploration and teaching, please interpret according to the model conditions.

input parameters

system
binary miscibility gap / Ternary free energy and stability
interaction parameter Ω(J/mol)
Value range: -50000 – 100000
observe temperature(K)
Value range: 50 – 3000

How to use

  1. Load the example or enter data that matches the field description.
  2. Confirm units and models, run calculations and check diagnostics.
  3. Export charts, tables or results packages and record model versions.

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Industry Application · Independent Reproduction Example

alloy formula

alloy formulation team discusses the effects of temperature and composition on phase regions during the concept phase. Preliminary screening of phase stability of

Public industry reference: Thermo-Calc Software

Thermo-Calc provides material calculations based on thermodynamic databases.

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on this site

  1. Set ideal/regular solution parameters
  2. scan temperature and composition
  3. compare coexistence area

Deliverables

Simplified phase diagram for understanding free energy and phase stability

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This site does not come with the commercial CALPHAD database and cannot replace real alloy phase equilibrium calculations.。

case is compiled for public industry purposes, and the reproduction steps are independent examples of this site; it does not mean that the above-mentioned institutions use or endorse this site, nor does it cite customer benefits that have not been publicly verified. The

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Materials & Crystals

The following is the recommended reading order of this website organized by direction relevance, public research resources and learning portals. The number is the serial number recommended by the editor, not QS, THE or paper measurement ranking; it does not represent the overall strength of the institution.

  1. 01

    University of Cambridge · Department of Materials Science and Metallurgy

    United Kingdom

    Crystal, Phase Change, Microstructure and Materials Design。

    official website link accessibility check: 2026-10-03
  2. 02

    MIT · Department of Materials Science and Engineering

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    Computational materials, crystallography and advanced materials。

    official website link accessibility check: 2026-10-03
  3. 03

    Lawrence Berkeley National Laboratory · Materials Project

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    first principles materials data and open computing platform。

    official website entrance; please refer to the current public page of the institution.

catalog compiled on 2026-10-03. Link accessibility does not equate to verification of the latest papers, admissions, or program status; please check the institution's official website for specific research teams and opportunities.

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